The goal of OAIster is to create a collection of previously difficult-to-access, academically-oriented digital resources that is easily searchable by anyone.

In OLC you have access more than 25 million articles from over 20,000 scientific periodicals beginning with the year of publication 1993. The Online Contents records are supplied by Swets and are updated daily.

Online Contents Anglistics is a subject oriented selection of bibliographic data from the Online Contents database. Currently 424 journals are being indexed back to the year of publication in 1993. -- Die Datenbank OLC Anglistik ist ein fachbezogener Auszug aus der Datenbank Online Contents. Zurzeit werden 424 Zeitschriftentitel retrospektiv bis zum Erscheinungsjahr 1993 ausgewertet. Damit enthält die Datenbank derzeit ca. 323.000 Aufsätze und Rezensionen aus dem Fachgebiet Anglistik und Amerikanistik.

OLC German language and literature studies is a subject oriented selection of bibliographic data from the Online Contents database and provides access to the tables of contents of journals in the field of German Studies. Currently 139 journals are being indexed, normally back to the publication year 1993. -- Die Datenbank OLC Germanistik ist ein fachbezogener Auszug aus der Datenbank Online Contents und erschließt Inhaltsverzeichnisse von Zeitschriften aus dem Bereich "Deutsche Sprache und Literatur". Zurzeit werden 139 Zeitschriften ausgewertet, in der Regel ab dem Erscheinungsjahr 1993. Damit enthält die täglich aktualisierte Datenbank gegenwärtig über 197.000 Aufsätze und Rezensionen (Stand: September 2019).

The database OLC Ibero-America, Spain and Portugal is a regional related section from the Online Contents database that is constantly being completed with the addition of selected journals from the competent Libraries, the Library of the Ibero-American Institute Prussian Cultural Heritage (Ibero-America and the Caribbean) and the state and university library SUB Hamburg (Spain and Portugal). Currently more than 1.400 journals are being indexed. Gradually earlier editions of these journals will also be made accessible.

The multidisciplinary database OLC International Relations and Area Studies contains table of contents of journals from several special subject collections, including political science, economics, the Middle East and other regional special subject collections. It offers a multidisciplinary selection from the Online Contents database, with additional input from other special subject collections. The International Relations and Area Studies section currently covers approximately 797 journals.

The database OLC Pharmacy is a subject oriented selection of bibliographic data from the Online Contents database that is regularly enhanced by table of contents data from additional periodicals out of the special collections of the UB Braunschweig, the central subject library of Germany for pharmacy.

The Online Contents service of the Special Subject Collection Political Science and Peace Research is part of the Online Contents database. It offers access to tables of contents of more than 870 journals relevant for study and research. New journals were added until December 2013 by the Special Subject Collection. Thus the database contains approximately 1.478,600 records of journal articles and reviews.

Open Syllabus is a non-profit research organization that collects and analyzes millions of syllabi to support novel teaching and learning applications. Open Syllabus helps instructors develop classes, libraries manage collections, and presses develop books. It supports students and lifelong learners in their exploration of topics and fields. It creates incentives for faculty to improve teaching materials and to use open licenses. It supports work on aligning higher education with job market needs and on making student mobility easier. It also challenges faculty and universities to work together to steward this important data resource. Open Syllabus currently has a corpus of nine million English-language syllabi from 140 countries. It uses machine learning and other techniques to extract citations, dates, fields, and other metadata from these documents. The resulting data is made freely available via the Syllabus Explorer and for academic research. The project was founded at The American Assembly, a public policy institute associated with Columbia University. It has been independent since 2019. All of the syllabi in the current collection are English language documents – including from universities where English is not the primary teaching language.

This historic journal index enables the simultaneous search in millions of citations for articles published in the arts, humanities and social sciences, across more than 300 years. It enables researchers quickly and comprehensively to identify articles relevant to their field of study and reduces what could take years of research to a matter of minutes. Journals indexed span 37 key subject areas and multiple languages.

Der eng an den Bedarfen der Fachcommunity orientierte Aufbau eines umfassenden Suchraums steht im Zentrum des Fachinformationsdienstes, der zeitnah und standortunabhängig den direkten Zugriff auf elektronische Verlagspublikationen (E-Books, E-Journals, E-Articles), wissenschaftliche Open Access-Dokumente, Forschungsdaten sowie Inhalte aus Fachdatenbanken und Zeitungsarchiven wie Factiva eröffnet. Gedruckte Publikationen, die für die Politikwissenschaftler/-innen nach wie vor von Bedeutung sind, ergänzen das Angebot dort, wo elektronische Ressourcen noch nicht verfügbar sind. So gelangt ohne Umwege die Literatur- und Fachinformation an den jeweiligen Arbeitsplatz der Wissenschaftler/-innen.Ab April2023haben registrierte Politikwissenschaftler:innen direkt über Pollux freien Zugriff auf den kostenpflichtigen Politikmonitoring- und Analysedienst Polit-X. Polit-X enthält Millionen aktuelle und historische politische Dokumente und Inhalte aus Bund, Bundesländern und Europa und bietet umfangreiche digitale Politikanalyse-Tools.

Preprint Citation Index is a multidisciplinary collection of preprints from a wide range of leading repositories, including arXiv, bioRxiv, chemRxiv, medRxiv, and Preprints.org. Currently, it provides more than 2 million articles ahead of the formal journal publication in the sciences, social sciences and arts & humanities. Papers from more than 20 repositories will be added in future. Within the Web of Science platform researchers can thus discover preprint records alongside peer-reviewed journal articles and other content sets. This simplifies the process of evaluating preprint quality and trustworthiness by connecting preprints to the versions of record or linking to other scholarly output from preprint authors and the citation network in Web of Science. Furthermore you can link directly to the preprint repositories to view each version of the preprint and download full texts.

The integration between ProQuest Dissertations & Theses Global with the Web of Science enables seamless discovery of early career, post-graduate research from all around the world, alongside records for journal articles, conference papers, book chapters, preprints, patents, and more. ProQuest Dissertations & Theses Citation Index makes more than 5.5 million multidisciplinary dissertations and theses searchable, from over 4,100 institutions and more than 60 countries, dating back to 1637. Researchers have simultaneous access to unpublished and published scholarship that helps them to discover emerging trends, identify new areas of research and find post-graduate programs engaged in cutting-edge research. For joint subscribers of the Web of Science and PQDT Global, direct full text linking from the Web of Science to the ProQuest platform is available, giving access to 3 million full-text works from thousands of universities. Additionally, cited reference indexing and linking helps to further connect dissertations and theses to related works and discover hard-to-find sources of research.

The PsycINFO databases cover the professional and academic literature in psychology and related disciplines including medicine, psychiatry, nursing, sociology, education, pharmacology, physiology, linguistics, and other areas. Coverage is worldwide, and includes references and abstracts to over 1300 journals and to dissertations in more than 30 languages, and to book chapters and books in the English language. Over 50,000 references are added annually. Popular literature is excluded.

SciELO (Scientific Electronic Library Online) is a program of the Sao Paulo Research Foundation for the cooperative publishing of open access journals on the internet. Content includes regional journals from Latin American and the Caribbean as well as titles from Spain, Portugal and South Africa. The index covers approximately 650 titles (over 350 adding content to journals already covered in the Web of Science) and contains several million cited references.

Sciwheel is an advanced reference management system that provides assisting tools for discovery of research works, reading, annotation, as well as scientific and collaborative writing. It features a web-based application, a browser extension, citation tools for Microsoft Word and Google Docs, and a mobile application.

Scopus is a large abstract and citation database of peer-reviewed literature, including scientific journals, books and conference proceedings, covering research topics across all scientific and technical disciplines, ranging from medicine and social sciences to arts and humanities. Further, with smart tools totrack, analyze and visualize research, Scopus empowers you to advance your science beyond the text.

SocioHub – ist das Portal des Fachinformationsdienstes Soziologie – es dient als zentrale Anlaufstelle für Ihre Literatursuche, Kommunikation und Information. Anstatt mehrere Webseiten besuchen zu müssen befinden sich hier alle Bereiche auf einer Plattform – direkt auf die Bedürfnisse der Soziologie zugeschnitten.

Springer Nature publishes the largest available collection of reproducible laboratory protocols and methods for the life sciences. The Experiments platform provides accees to the content from SpringerProtocols, Nature Methods, Nature Protocols and Protocol Exchange through a single easy-to-use platform, designed to save researchers' time.

SSOAR collects electronic full texts from the domain of the Social Sciences and makes these texts available according to the Berlin Declaration on Open Access to Scientific Knowledge.